Another difficulty of writing music like this for film is that the music lives or dies by the tempo track.
Here is your tempo track for the piece, copying Abbado's performance:
In my Harry Potter mockup I posted last year I found a similar fluid tempo in the performance conducted by William Ross:
Here's another tempo track, of the cue at the finale of Potter 2:
Here's a tempo track of a mockup I made of the slow movement from Elgar's String Serenade, copying a performance I found on Youtube:
Music with a motor element has less variation. Here's "Flying" from E.T. conducted by Williams. There's still big changes in the finale of the piece of course:
None of this style of music would work with a steady click. It just kills the music.
In "Production" music for modern films the orchestra is just one element layered into a pre-made DAW session. So the style of writing tends to serve that.